You did not mention why you wanted this type of monitor and I am just going to throw out there that even if you used a 16:9 screen, you can still choose a resolution from your video card that is a 4:3 format and it will display fine. You will have some unused space on the left and right of the working space. If 16:9 or 19:10 screens are readily available and cheaper than 4:3 screens, there you go, and you are prepared to move up if you want/need to without replacement.

ok guys - here some answers:
garycase, as usual your selection is superb
pcelba - your link points to the same as Garycase in UK; but thanks ayway, and the fujutsi looks fine too; ans for the bigger sizes, the Nec is a winner

techodweeb - thanks - but that is just what i want to avoid; i have space constrictions and want more on a page to avoid vertical scrolling

i'll wai a couple of days before closing
- can i ask how you found these? what search terms?

nobus => given that you're trying to avoid vertical scrolling while still fitting in a limited space, you may ... if the height isn't an issue ... want to consider using a 16:9 display rotated to the vertical position ... as suggested above (in essence this is now a 9:16 display). Many high-end medical imaging display systems use this configuration ... all you need is a display that can be rotated.

garycase; the problem is i have about 55-56 cm height available, and there is no room for a wide screen on my "repair " table, that's why i'm looking for a rather square monitor.
if no more suggestions come in, i'll close this in the coming days